belts. They were banned from russia in 2010. 33 million people will begin their holiday shopping tomorrow. That's brown thursday followed by black friday and cyber monday. It's prime time for i.D. Thieves. Abc's chief business correspondent rebecca jarvis shows to protect yourself and your wallet. Reporter: It's the most wonderful time of the year for massive deals. Stores around the country offering even big discounts to anyone who opens a store credit card. But, that also means, it's high season for crooks. I'm angry. I'm angry that someone pretended to be me. Reporter: Katie, who asked that we not use her full name recently had her identity stolen by criminals. They went to stores that I've never been to and opened up 10 to 14 different credit cards. Reporter: Crooks going store to store and hitting every place on this block. A $1200 macbook at best buy. Adam has been fighting identity thieves for decades and says store credit cards make things easier for scammers. You can do it one day and be signed up. In some cases ten minutes and be signed up. Reporter: But for a typical credit card the verification process can last weeks. Identity thieves are catching on. What makes the holidays prime time for thieves? Distraction and vulnerableability. People are online, taking advantage of sales. Reporter: How can you protect yourself? Check your credit card and bank statements daily. If you think your identity has been compromised, add a security freeze to your credit report. This keeps loans from being approved without your consent. Hold off on signing up for store cards until after the holidays. My name does not matter because someone is out there pretending to be me. Reporter: Rebecca jarvis, abc news, new york.

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